Filling out the cast will be Carly Rae Jepsen as "Frenchy," Kether Donohue as "Jan," and David Del Rio as T-Bird "Putzie."

"Grease is one of the movies that made me want to be an entertainer, and I have literally been waiting my whole life to play Sandy," Hough said in a Fox press release back in January. "My siblings and I watched it and played it out over and over when we were kids. This is my dream role and performing it live on television will be one of the most thrilling opportunities I’ve had in my career so far."